20407176

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 38298744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 41, 62, 72, 82, 93, 123, 124, 164, 186, 223, 246, 248, 279, 328, 369, 372, 446, 492, 558, 669, 738, 744, 892, 984, 1116, 1271, 1338, 1476, 1784, 2007, 2232, 2542, 2676, 2952, 3813, 4014, 5084, 5352, 6913, 7626, 8028, 9143, 10168, 11439, 13826, 15252, 16056, 18286, 20739, 22878, 27429, 27652, 30504, 36572, 41478, 45756, 54858, 55304, 62217, 73144, 82287, 82956, 91512, 109716, 124434, 164574, 165912, 219432, 248868, 283433, 329148, 497736, 566866, 658296, 850299, 1133732, 1700598, 2267464, 2550897, 3401196, 5101794, 6802392, 10203588, 20407176]

約数ペア:

[(1, 20407176), (2, 10203588), (3, 6802392), (4, 5101794), (6, 3401196), (8, 2550897), (9, 2267464), (12, 1700598), (18, 1133732), (24, 850299), (31, 658296), (36, 566866), (41, 497736), (62, 329148), (72, 283433), (82, 248868), (93, 219432), (123, 165912), (124, 164574), (164, 124434), (186, 109716), (223, 91512), (246, 82956), (248, 82287), (279, 73144), (328, 62217), (369, 55304), (372, 54858), (446, 45756), (492, 41478), (558, 36572), (669, 30504), (738, 27652), (744, 27429), (892, 22878), (984, 20739), (1116, 18286), (1271, 16056), (1338, 15252), (1476, 13826), (1784, 11439), (2007, 10168), (2232, 9143), (2542, 8028), (2676, 7626), (2952, 6913), (3813, 5352), (4014, 5084)]